1 files changed, 145 insertions, 0 deletions
diff --git a/src/Util.cpp b/src/Util.cpp
new file mode 100644
index 0000000..0473d08
--- /dev/null
+++ b/src/Util.cpp
@@ -0,0 +1,145 @@
+/*
+ * Utils.cpp
+ *
+ *  Created on: 2014. 6. 10.
+ *      Author: oskwon
+ */
+
+#include <errno.h>
+#include <stdarg.h>
+#include <string.h>
+#include <dirent.h>
+#include <signal.h>
+#include <sys/wait.h>
+
+#include <arpa/inet.h>
+#include <sys/socket.h>
+
+#include <sstream>
+#include <fstream>
+
+#include "Util.h"
+#include "Logger.h"
+
+using namespace std;
+//----------------------------------------------------------------------
+
+std::string Util::ultostr(int64_t data)
+{
+	std::stringstream ss;
+	ss << data;
+	return ss.str();
+}
+//----------------------------------------------------------------------
+
+int Util::strtollu(std::string data)
+{
+	long long retval;
+	std::stringstream ss;
+	try {
+		ss.str(data);
+		ss >> retval;
+	}
+	catch(...) {
+		return -1;
+	}
+	return retval;
+}
+//----------------------------------------------------------------------
+
+std::string Util::trim(std::string& s, const std::string& drop)
+{
+	std::string r = s.erase(s.find_last_not_of(drop) + 1);
+	return r.erase(0, r.find_first_not_of(drop));
+}
+//----------------------------------------------------------------------
+
+int Util::split(std::string data, const char delimiter, std::vector<string>& tokens)
+{
+	std::stringstream data_stream(data);
+	for(std::string token; std::getline(data_stream, token, delimiter); tokens.push_back(trim(token)));
+	return tokens.size();
+}
+//----------------------------------------------------------------------
+
+bool Util::split_key_value(std::string data, std::string delimiter, std::string &key, std::string &value)
+{
+	int idx = data.find(delimiter);
+	if (idx == string::npos) {
+		WARNING("split key & value (data : %s, delimiter : %s)", data.c_str(), delimiter.c_str());
+		return false;
+	}
+	key = data.substr(0, idx);
+	value = data.substr(idx+1, data.length()-idx);
+	return true;
+}
+//----------------------------------------------------------------------
+
+void Util::vlog(const char * format, ...) throw()
+{
+	static char vlog_buffer[MAX_PRINT_LEN];
+    memset(vlog_buffer, 0, MAX_PRINT_LEN);
+
+    va_list args;
+	va_start(args, format);
+	vsnprintf(vlog_buffer, MAX_PRINT_LEN-1, format, args);
+	va_end(args);
+
+	WARNING("%s", vlog_buffer);
+}
+//----------------------------------------------------------------------
+
+std::string Util::host_addr()
+{
+	std::stringstream ss;
+    struct sockaddr_in addr;
+    socklen_t addrlen = sizeof(addr);
+
+    getpeername(0, (struct sockaddr*)&addr, &addrlen);
+    ss << inet_ntoa(addr.sin_addr);
+
+    return ss.str();
+}
+//-------------------------------------------------------------------------------
+
+std::vector<int> Util::find_process_by_name(std::string name, int mypid)
+{
+	std::vector<int> pidlist;
+	char cmdlinepath[256] = {0};
+	DIR* d = opendir("/proc");
+	if (d != 0) {
+		struct dirent* de;
+		while ((de = readdir(d)) != 0) {
+			int pid = atoi(de->d_name);
+			if (pid > 0) {
+				sprintf(cmdlinepath, "/proc/%s/cmdline", de->d_name);
+
+				std::string cmdline;
+				std::ifstream cmdlinefile(cmdlinepath);
+				std::getline(cmdlinefile, cmdline);
+				if (!cmdline.empty()) {
+					size_t pos = cmdline.find('\0');
+					if (pos != string::npos)
+					cmdline = cmdline.substr(0, pos);
+					pos = cmdline.rfind('/');
+					if (pos != string::npos)
+					cmdline = cmdline.substr(pos + 1);
+					if ((name == cmdline) && ((mypid != pid) || (mypid == 0))) {
+						pidlist.push_back(pid);
+					}
+				}
+			}
+		}
+		closedir(d);
+	}
+	return pidlist;
+}
+//-------------------------------------------------------------------------------
+
+void Util::kill_process(int pid)
+{
+	int result = kill(pid, SIGINT);
+	DEBUG("SEND SIGINT to %d, result : %d", pid, result);
+	sleep(1);
+}
+//----------------------------------------------------------------------